logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10024032 B1

PDFFull Text
Date of Patent:
Jul. 17, 2018

Filed:

Jun. 15, 2016

Work machine

Applicant:

Hitachi Construction Machinery Co., Ltd., Taito-ku, Tokyo, JP;

Inventors:

Mariko Mizuochi, Tsuchiura, JP;

Akinori Ishii, Ushiku, JP;

Kazuyoshi Hanakawa, Tsuchiura, JP;

Assignee:

Hitachi Construction Machinery Co., Ltd., Tokyo, JP;

Attorney:

Crowell & Moring LLP

Primary Examiner:

Adam D Tissot

Assistant Examiner:

Edward J Pipala

Int. Cl.
CPC ...
F15B 11/16 (2006.01); E02F 9/22 (2006.01); E02F 3/32 (2006.01); E02F 9/26 (2006.01); F15B 13/06 (2006.01); E02F 3/96 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2228 (2013.01); E02F 3/32 (2013.01); E02F 9/2203 (2013.01); E02F 9/2207 (2013.01); E02F 9/2253 (2013.01); E02F 9/2267 (2013.01); E02F 9/2271 (2013.01); E02F 9/2285 (2013.01); E02F 9/268 (2013.01); F15B 11/16 (2013.01); F15B 13/06 (2013.01); E02F 3/964 (2013.01); F15B 2211/575 (2013.01);
Abstract

The work machine includes a stabilization control calculation unit that calculates and outputs a gradual stoppage command for making a drive actuator stop gradually and an operation speed limitation command for limiting an upper limit operation speed according to the status of stability of the work machine, a stoppage characteristic modification unit that corrects pilot pressure so as to make the drive actuator stop gradually when a stoppage operation is performed on a control lever, and an operation speed limitation unit that corrects the pilot pressure so as to limit the operation speed of the drive actuator.

Find Patent Forward Citations

Quick Actions:

Mizuochi, Mariko. (2018). Work machine (U.S. Patent No. 10024032). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10024032

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…